Solve the Problem $y$ Is the Minimum Number of Hours of Studying Required to Minimum

Multiple Choice

Solve the problem.
-In the following formula, $y$ is the minimum number of hours of studying required to attain a test score of $x$ : $y = \frac { 0.53 x } { 100.5 - x }$ . How many hours of study are needed to score 89 ?

A) $7.16 \mathrm { hr }$
B) $4.1 \mathrm { hr }$
C) $41.00 \mathrm { hr }$
D) $100.90 \mathrm { hr }$